Home / 203,423,339,933.20-305,135,009,899.80-61,931,637,787.60

Finding the Fourth Proportional to 203,423,339,933.20, 305,135,009,899.80 and 61,931,637,787.60

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Solution

The fourth proportional to 203,423,339,933.20, 305,135,009,899.80 and 61,931,637,787.60 is: 92,897,456,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,423,339,933.20 : 305,135,009,899.80 = 61,931,637,787.60 : x
  2. Step 2: Convert to fraction form
    203,423,339,933.20/305,135,009,899.80 = 61,931,637,787.60/x
  3. Step 3: Cross multiply
    203,423,339,933.20x = 305,135,009,899.80 × 61,931,637,787.60
  4. Step 4: Simplify right side
    203,423,339,933.20x = 18,897,510,909,430,152,036,352
  5. Step 5: Solve for x
    x = 18,897,510,909,430,152,036,352/203,423,339,933.20
  6. Step 6: Final answer
    x = 92,897,456,681.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.